Home / 1,111,524.60-1,533,883.90-628,079.34

Finding the Fourth Proportional to 1,111,524.60, 1,533,883.90 and 628,079.34

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Solution

The fourth proportional to 1,111,524.60, 1,533,883.90 and 628,079.34 is: 866,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,524.60 : 1,533,883.90 = 628,079.34 : x
  2. Step 2: Convert to fraction form
    1,111,524.60/1,533,883.90 = 628,079.34/x
  3. Step 3: Cross multiply
    1,111,524.60x = 1,533,883.90 × 628,079.34
  4. Step 4: Simplify right side
    1,111,524.60x = 963,400,787,548.63
  5. Step 5: Solve for x
    x = 963,400,787,548.63/1,111,524.60
  6. Step 6: Final answer
    x = 866,738.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.